8 1/2 x 13”’ | Hand Wind | Swiss Lever | Small Seconds

• Listing ID: 20685
• Manufacturer / Brand: AS
• Caliber: 552
• Size in French Lignes: 8 1/2 x 13'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1924+
• Country: Switzerland
• Identification: Movement listed in the Classification Horlogère from 1936. Registered by AS in the Swiss Officicial Gazette of Commerce already in 1924 as model no. 552.
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